Bacci, G.; Longhi, A.; Ferrari, S.; Mercuri, M.; Versari, M.; Bertoni, F. Prognostic Factors in Non-Metastatic Ewing’s Sarcoma Tumor of Bone: An Analysis of 579 Patients Treated at a Single Institution With Adjuvant or Neoadjuvant Chemotherapy Between 1972 and 1998. AO 2006, 45, 469-475.